发明名称 |
OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING AND REPRODUCTION DEVICE AND POSTSCRIPT METHOD |
摘要 |
<P>PROBLEM TO BE SOLVED: To perform track control while compensating off-set resulting from radial tilt when performing track control of a main beam by detecting tracking information provided in a reference layer of a spatial recording medium with a guide beam. <P>SOLUTION: First mark pair columns in which mark pairs 29A, 29B are arranged at a track pitch in a radial direction, and other mark pair columns in which mark pairs 30A, 30B are arranged at a track pitch in the radial direction are formed. The other mark pair columns are arranged while shifted from the first mark pair columns by a predetermined distance in the radial direction. One of a plurality of track error signals generated from the plurality of mark pair columns is selected to thereby be able to eliminate an uncontrollable area to perform track control. <P>COPYRIGHT: (C)2013,JPO&INPIT |
申请公布号 |
JP2013114715(A) |
申请公布日期 |
2013.06.10 |
申请号 |
JP20110260406 |
申请日期 |
2011.11.29 |
申请人 |
HITACHI CONSUMER ELECTRONICS CO LTD |
发明人 |
KIKUKAWA ATSUSHI |
分类号 |
G11B7/007;G11B7/005;G11B7/09;G11B7/24085;G11B7/24091 |
主分类号 |
G11B7/007 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|